diff options
Diffstat (limited to 'tools/perf/builtin-sched.c')
-rw-r--r-- | tools/perf/builtin-sched.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index b248c433529a..5977c49ae2c7 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2148,7 +2148,7 @@ static bool is_idle_sample(struct perf_sample *sample, struct evsel *evsel) { /* pid 0 == swapper == idle task */ - if (strcmp(evsel__name(evsel), "sched:sched_switch") == 0) + if (evsel__name_is(evsel, "sched:sched_switch")) return evsel__intval(evsel, sample, "prev_pid") == 0; return sample->pid == 0; @@ -2375,7 +2375,7 @@ static bool timehist_skip_sample(struct perf_sched *sched, } if (sched->idle_hist) { - if (strcmp(evsel__name(evsel), "sched:sched_switch")) + if (!evsel__name_is(evsel, "sched:sched_switch")) rc = true; else if (evsel__intval(evsel, sample, "prev_pid") != 0 && evsel__intval(evsel, sample, "next_pid") != 0) @@ -2963,8 +2963,11 @@ static int timehist_check_attr(struct perf_sched *sched, return -1; } - if (sched->show_callchain && !evsel__has_callchain(evsel)) { - pr_info("Samples do not have callchains.\n"); + /* only need to save callchain related to sched_switch event */ + if (sched->show_callchain && + evsel__name_is(evsel, "sched:sched_switch") && + !evsel__has_callchain(evsel)) { + pr_info("Samples of sched_switch event do not have callchains.\n"); sched->show_callchain = 0; symbol_conf.use_callchain = 0; } @@ -3210,7 +3213,7 @@ static int perf_sched__lat(struct perf_sched *sched) perf_sched__sort_lat(sched); printf("\n -------------------------------------------------------------------------------------------------------------------------------------------\n"); - printf(" Task | Runtime ms | Switches | Avg delay ms | Max delay ms | Max delay start | Max delay end |\n"); + printf(" Task | Runtime ms | Count | Avg delay ms | Max delay ms | Max delay start | Max delay end |\n"); printf(" -------------------------------------------------------------------------------------------------------------------------------------------\n"); next = rb_first_cached(&sched->sorted_atom_root); |